1、Made of environment-friendly high-quality white rubber material, which can withstand the pool water of different temperatures and chemicals, and is very wear-resistant, and has a long service life. In addition, there are three circles of circular patterns at the bottom of the plug, which can play the role of anti-slip. 2、Pool ladder bumper protector can be well fixed at the end of the pool ladder to prevent the metal rod of the ladder from rubbing against the pool vinyl liner or concrete pool wall. It can also prevent water and scum from entering the metal tube of the pool ladder to avoid corrosion. 3、Which only needs to be inserted into the pipe at the end of the ladder. The extension part at the bottom of pool step rubber cap is thick and large enough to not only protect the inner wall of the swimming pool but also facilitate you to pull them out at any time. 4、Inside Plug--Universal fit for standard swimming pool ladders with an inner diameter of 1.90 inches. 5、Outside Cap--The outer diameter of 2.75 inches is for the wider base of the rubber ladder bumper, while the inner diameter of 1.9inches is for the interior part that caps into the ladder tubing.